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GB889898A
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Flange connector for tubing
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FR1275791A
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Flanged connection for drill pipe strings
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US3061268A
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Wedge seal for valve body
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FR1258135A
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Casing hanger lock for oil and similar wells
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GB875347A
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Tubing hanger latch for oil and like wells
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GB873336A
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An underwater well installation
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FR1256789A
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Subsea oil well installation
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FR1243137A
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Well casing hanger kit
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GB860914A
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Tubing hanger assembly
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FR1239898A
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Pressure seal
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Tubing hanger assembly
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FR1227765A
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Oil Well Casing Hanger Kit
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FR1227764A
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Unitary wellhead assembly and its manufacturing process
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FR1226842A
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Oil well casing hanger
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GB860512A
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Tubing hanger assembly for oil and like wells
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GB855053A
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Integral well head unit and method of fabricating the same
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GB845591A
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Tubing hanger apparatus for oil and like wells
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FR1215726A
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Multiple suspension device for tubes, especially for oil well operating tubes
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Well head equipment
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Pipe joint swivel with fluid seal
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